Can you think of any three-dimensional shape that comprises of exactly two surfaces?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

A rain drop fell from one leaf to another leaf and lost 1/4th of its volume. It then fell to another leaf and lost 1/5th of the volume. It again fell on another leaf and lost 1/5th of the volume.



This process kept repeating till it fell on the last leaf losing 1/75th of its volume.



Can you calculate the total percentage of loss from the initial volume when the drop has fallen to the last leaf accurate up to two decimal places?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

What English word has three consecutive double letters?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

You can see three almost identical images below. Can you spot the odd one out from them?